Tenants won't let the realtor show the house

[Christopher Lane]

Hey guys and gals, I'm putting an offer on a place in PA and the realtor is having difficulty getting into the house so she can facetime me the inside. The tenants have been stalling for the past 2 weeks. This would be my first investment property. It is listed at 60k, I'm offering 50k. Tenants are currently paying $1100 a month in rent so it is a good cash flowing property. From the previous pictures, there will be some repair needed - eventually. Not right away since the tenants are long term. I'm hoping to BRRRR this in the future.

Is this tenant issue indicative of something?  Intuitively it tells me they're messy but if they pay, then they pay.